EP 1318288 A2 20030611 - Fuel injection system for internal combustion engine
Title (en)
Fuel injection system for internal combustion engine
Title (de)
Kraftstoffeinspritzsystem für eine Brennkraftmaschine
Title (fr)
Système d'injection de carburant pour moteur à combustion interne
Publication
Application
Priority
- JP 2001372257 A 20011206
- JP 2002027657 A 20020205
- JP 2002296154 A 20021009
Abstract (en)
A fuel injection system carries out a multi-injection. A preceding injection affects a pressure in a combustion chamber at a succeeding injection. In order to ensure an amount and timing of a succeeding injection, the ECU (10) carries out a compensating process. In one embodiment, an injection period (TQMF) for the succeeding injection is corrected by varying a corrective value (TDMN) in accordance with parameters (TINT, Pc, K) indicative of a pressure deviation (S13). In another embodiment, each of the injection amounts (TQF) for preceding and succeeding injections is corrected in accordance with deviations from a standard pressure (QCPB) respectively (S25). The deviation is determined based on an intake pressure (PIM).
IPC 1-7
IPC 8 full level
F02D 41/38 (2006.01); F02D 41/40 (2006.01)
CPC (source: EP US)
F02D 35/023 (2013.01 - EP US); F02D 41/3809 (2013.01 - EP US); F02D 2200/0602 (2013.01 - EP US)
Citation (applicant)
JP 2001140689 A 20010522 - DENSO CORP
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 1318288 A2 20030611; EP 1318288 A3 20060322; EP 1318288 B1 20170906; US 2003106531 A1 20030612; US 6722345 B2 20040420
DOCDB simple family (application)
EP 02027194 A 20021205; US 31085602 A 20021206